innertube

Noun

(plural innertubes)

In a pneumatic tire, the rubber liner that holds the air.
This rubber liner, used without the tire on water as a flotation aid.

Origin

From inner + tube.

English Wiktionary. Available under CC-BY-SA license.

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MLA Style

"innertube." YourDictionary, n.d. Web. 17 January 2019. <https://www.yourdictionary.com/innertube>.

APA Style

innertube. (n.d.). Retrieved January 17th, 2019, from https://www.yourdictionary.com/innertube

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